J4 ›› 2012, Vol. 11 ›› Issue (1): 45-50.
泰始元年（公元265年），晋武帝司马炎即位为帝，成功实现了魏晋皇权的更替。为了奖励禅代功臣，巩固统治，晋武帝即位后就对咸熙元年创立的五等爵制进行改革。从咸熙元年到泰始元年五等爵制的变化，充分说明了封爵制就是统治者手中掌握的、为统治服务的一大法宝这一特性，同时也反映了司马氏从篡夺政权到巩固政权的政治使命的转变。
Sima Yan ascended the throne in 265, which meant imperial replacement from Beiwei to Xijin, he immediately
reorganized the Five -rank System established in the first year of Xianxi to reward the meritorious officials and strengthen his domination. The Evolution of the Five-rank System adequately manifested the inherent characteristic of rank system,and reflected the transformation of Sima clan's political mission from the seizure of power to consolidation of power.
